<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>life</title>
</head>
<body>
<div id="app">
    {{hello}}

</div>


<script src="./node_modules/vue/dist/vue.js"></script>
<script>
    var app = new Vue({
        el: "#app",
        data : {
            hello :""
        },
        created(){
            this.hello ="hello,world,我出生了!";
        }
    })
</script>
</body>
</html>